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Yakushima Ancient Cedar Forest

FamousEveryone goes here. We cover what the guidebooks skip: when it is quiet, and what is worth your time next door.

Researched and written by Hinato

Yakushimaancient cedarsJomon Sugimoss forestMononoke

Kagoshima · Yakushima

30.3350°N, 130.5289°E

What sets Yakushima Ancient Cedar Forest apart from other natural sites in Kagoshima is how much depends on conditions outside anyone's control.

Yakushima is a subtropical island 60km off Kagoshima's coast, covered in primeval forest where Japanese cedars (杉, sugi) over 1,000 years old tower above moss-carpeted undergrowth. The island's most famous tree, Jomon Sugi, is estimated at 2,000–7,200 years old and requires a 10-hour round-trip hike to reach. The forest inspired Hayao Miyazaki's animated film Princess Mononoke.

The island receives over 4,000mm of annual rainfall ('it rains 35 days a month in Yakushima,' locals joke), creating perpetual mist and humidity that sustains the moss ecosystem and makes the forest feel otherworldly.

What this page is honestly for

Yakushima is a World Heritage island with a permit system, a bus network built for hikers, and an entire shelf of guidebooks in Japanese and English. The practical information you need to walk to Jomon Sugi is better handled by the people who manage the trail than by us, and we link out rather than paraphrase.

There are also no quiet alternatives to list here, because the island is small and everything on it is either the forest or the sea. That is a real answer rather than a gap: on this page the site's job is to get out of the way, and the places we can genuinely tell you about are on the mainland pages of Kagoshima.

Plan your visit

Time to allow

Jomon Sugi: 10–12 hours round-trip (entire day) | Shiratani Unsuikyo: 2–5 hours | 2–3 nights minimum to experience island properly

Hours

Jomon Sugi trail: depart by 5:00 AM for same-day return | No official park closing time — access at own risk

Closed: Trails open year-round | Typhoon season (July–October) may cause temporary trail closures | Check Yakushima tourism website for conditions

Best time to visit

April–June (before typhoon season, fresh greenery) | September–October (post-typhoon, quieter) | March for early spring flowers | Avoid July–August peak season crowds

Entry fee

Jomon Sugi trail: ¥1,000 conservation fee requested | Shiratani Unsuikyo Ravine: ¥500 | Island access: ferry ¥5,000–9,500 or flight ¥15,000

Getting out there

Getting there in detail

Ferry from Kagoshima: 2–4 hrs depending on route (high-speed ¥9,500, slow ferry ¥5,000). Flight from Kagoshima: 30 min, ¥15,000. Jomon Sugi trail: 22km, depart by 5:00am for same-day return. Shiratani Unsuikyo Ravine: shorter trail (2–5 hrs) with ancient cedars.

Access in depth

Nearest Station

No train on Yakushima — depart from Kagoshima Port (ferry) or Kagoshima Airport (flight)

Travel Time

From Kagoshima Port: 2 hrs high-speed ferry (¥9,500) or 4 hrs slow ferry (¥5,000) to Miyanoura | From Kagoshima Airport: 30-min flight (¥15,000)

How to Get There

Ferry: Toppy/Rocket high-speed ferry from Kagoshima Port (2 hrs, ¥9,500). Book 1 week ahead for weekends. Slow ferry (4 hrs, ¥5,000) is cheaper. Flight: JAC (Japan Air Commuter) from Kagoshima Airport (30 min, ¥15,000). Limited seats — book 2+ weeks ahead. On island: Rental car or scooter essential (¥5,000–8,000/day). Bus service exists but is infrequent and doesn't reach trailheads at 5:00 AM departure time.

Best Time to Visit

Depart trailhead at 4:30–5:00 AM for Jomon Sugi to reach summit by 10:00 AM before afternoon mist/rain. April weekdays for best visibility and smaller crowds.

Crowd Avoidance Tips

Golden Week (late April–early May) and August are peak season — trailheads crowded, guesthouses fully booked months ahead. Visit in late March or late October for solitude. Shiratani Unsuikyo can be crowded 10 AM–2 PM; start at opening (8:00 AM) for misty forest atmosphere without crowds.

Parking Information

Jomon Sugi trailhead (Arakawa): no private car access during peak season (March–November) — mandatory shuttle bus from Yakusugi Land parking area (¥920 round-trip, runs 4:00–7:30 AM). Off-season: limited trailhead parking (free). Shiratani Unsuikyo: parking lot ¥1,000/day.

Beyond the guidebook

**Jomon Sugi reality check:** The trail is serious mountain hiking — 22km round-trip with 700m elevation gain, rated as 8–10 hours (fit hikers can do 7, slow pace takes 12). The first 8km follows flat rail tracks (former logging railway), then steep ascent begins. Bring 2L+ water, lunch, rain gear (waterproof jacket + pants), and headlamp (trail starts in dark). Guides optional but recommended for first-timers (¥8,000/person). **Shiratani Unsuikyo as alternative:** This ravine trail offers ancient cedars (1,000+ years), moss-covered forest, and waterfalls in a 2–4 hour hike — perfect for visitors without time/fitness for Jomon Sugi. The Moss Forest section is where Miyazaki sketched for Princess Mononoke. Entry: ¥500. **Accommodation:** Yakushima has limited lodging (book 1 month+ ahead for high season April–October). Guesthouses in Miyanoura or Anbo towns (¥4,000–7,000/night) provide shuttle to trailheads. Mountain huts exist for multi-day hikes (reservation required).

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